Home / 34,162,117.64-47,139,071.22-20,408,161.16

Finding the Fourth Proportional to 34,162,117.64, 47,139,071.22 and 20,408,161.16

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Solution

The fourth proportional to 34,162,117.64, 47,139,071.22 and 20,408,161.16 is: 28,160,483.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,162,117.64 : 47,139,071.22 = 20,408,161.16 : x
  2. Step 2: Convert to fraction form
    34,162,117.64/47,139,071.22 = 20,408,161.16/x
  3. Step 3: Cross multiply
    34,162,117.64x = 47,139,071.22 × 20,408,161.16
  4. Step 4: Simplify right side
    34,162,117.64x = 962,021,762,390,477.75
  5. Step 5: Solve for x
    x = 962,021,762,390,477.75/34,162,117.64
  6. Step 6: Final answer
    x = 28,160,483.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.